Tonight

Visible planets and night sky guide for November

Visible planets and night sky guide: Mars and Jupiter are getting closer. And tomorrow, the moon reaches its new phase. That means dark skies for stargazing!

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Visible planets and night sky guide for November

Visible planets and night sky guide for November

Meteor shower guide 2026: Up next … the Taurids

See the Summer Triangle in the northern autumn sky

Is there a North Star for Mars?

Mirach is your guide star to finding 3 galaxies

See Venus in the daytime! Here are 3 helpful tips

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Astronomy Essentials

Visible planets and night sky guide for November

Dark nebulae are star-obscuring clouds of gas and dust

Halloween is an astronomy holiday. It’s a cross-quarter day

Hunter’s Moon falls on October 25-26, with Saturn nearby

Brightest Stars

Algol the Demon Star, named for its strange behavior

Alpha Cephei, or Alderamin, is a fast-spinning star

Delta Cephei helps measure cosmic distances

Fomalhaut is the Loneliest Star once again

Constellations

The constellation Andromeda the Chained Lady

Pegasus the Flying Horse, and the best sky story ever

Lacerta the Lizard, home to a blazar

Cassiopeia and Perseus on October evenings

Clusters Nebulae Galaxies

Check out the Double Cluster in Perseus on October evenings

The Andromeda Galaxy: All you need to know

The Wild Duck cluster, M11, a lovely open cluster in Scutum

The Great Rift is a dark swath in the Milky Way

Favorite Star Patterns

Pegasus is a baseball diamond! Just in time for the World Series

Great Square of Pegasus gallops into the autumn sky

Teapot of Sagittarius points to the Milky Way’s center

The Northern Cross: Find the backbone of the Milky Way